Taggart, L; Doherty, AJ; Chauhan, U; Hassiotis, A; (2021) An exploration of lifestyle/obesity programmes for adults with intellectual disabilities through a realist lens: Impact of a 'context, mechanism and outcome' evaluation. Journal of Applied Research in Intellectual Disabilities , 34 (2) pp. 578-593. 10.1111/jar.12826.

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Abstract

BACKGROUND: Obesity is higher in people with intellectual disabilities. AIMS: There are two aims of this explorative paper. Firstly, using a realist lens, to go beyond 'what works' and examine the 'context, mechanisms and outcomes' (CMO) of lifestyle/obesity programmes for this population. Second, using a logic model framework to inform how these programmes could be implemented within practice. METHOD: We explored six-review papers and the individual lifestyle/obesity programmes that these papers reviewed using the CMO framework. RESULTS: There were few theoretically underpinned, multi-component programmes that were effective in the short to long-term and many failed to explore the 'context and mechanisms'. We developed a logic model and engaged in two co-production workshops to refine this model. DISCUSSION: Using a realist approach, programmes need to be underpinned by both individual and systems change theories, be multi-component, have a closer understanding of the interplay of the 'context and mechanisms', and co-designed using a logic model framework.

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